c-typeck.c (store_init_value): If initializing object with array type of unknown size by a compound literal...

	* c-typeck.c (store_init_value): If initializing object with array
	type of unknown size by a compound literal, set object's size from
	compound literal size.
	* doc/extend.texi (Compound Literals): Adjust documentation.

	* gcc.dg/gnu89-init-1.c: Adjust for the new behaviour, add some
	additional tests.

From-SVN: r48343